Find top IT service companies in California through DesignRush. Our platform connects you with California IT support companies trusted by brands like McDonald's and Coca-Cola. With over 1M monthly visitors and Fortune 500 companies using our rankings, you can be confident in the quality of every agency listed. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.
Top IT Services Companies in California
Compare the leading IT services agencies in California, handpicked for their verified reviews, standout portfolios, and proven expertise, so you can confidently choose the right partner to scale your business.
| Agency Name | Why Hire Them | Client Rating | Hourly Rate | Top Client or Case Study | Top Industries |
| Goji Labs | Trusted by global brands for UX and digital products. | 5.0 ⭐ | $149 | Redesigned Elf on the Shelf website for immersive experience. | Nonprofit, Healthcare, Fintech |
| Closeloop Technologies | Award-winning, innovative tech solutions for complex needs. | 4.9 ⭐ | $25 | Resolved database outage for Brex in two hours. | Fintech, Healthcare, eCommerce |
| Mercury Development | Over 2,500 projects delivered for top global brands. | 4.9 ⭐ | $50 | Developed mobile apps for Burger King and Fitbit. | Wellness & Fitness, Healthcare, Retail |
| Suffescom Solutions Inc | Experts in mobile apps with global industry recognition. | 5.0 ⭐ | — | Built ridesharing app for GoCar Malaysia. | eCommerce, Healthcare, Fintech |
| AppMakers USA | MIT, Stanford, UCLA engineers deliver on time and budget. | 5.0 ⭐ | — | Developed mobile app for CVS Pharmacy. | Retail, Education, Sports |
| Azumo | Nearshore experts trusted by Meta, Zynga, United Health. | 4.9 ⭐ | $55 | Developed chatbot app for Facebook events. | AI, Fintech, Health Care |
| Koderspedia | Custom mobile and web solutions with rapid delivery. | 4.9 ⭐ | — | Web app for Gameloft Montreal exceeded expectations. | eCommerce, Gaming, Real Estate |
| Aristek Systems | AI and EdTech specialists with 22+ years experience. | 4.8 ⭐ | $50 | Award-winning LMS for K-12 education market. | Education, Health Care, Logistics |
| SDLC Corp | Full-cycle digital solutions for startups to enterprises. | 4.9 ⭐ | $50 | IoT supply chain project improved delivery for Freight Right. | Logistics, eCommerce, Gaming |
| Trango Tech | Holistic software and mobile solutions for global growth. | 4.7 ⭐ | — | Built wellness app for Simple Habit company. | Wellness & Fitness, eCommerce, Real Estate |
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
We are located in beautiful Phoenix, Arizona, and we can meet you in person anywhere in Arizona or Southern California. We have clients coast to coast and we have a long and proud history as a technology advocate for small business. To learn more, call us at 623-845-2747 or visit datatitan.com...
Top Services:
- Mobile App Development
- Software Development
- IT Services
- Digital Services
- Digital Strategy
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
HashStudioz Technologies is an award-winning product development company providing innovative IT solutions to clients from startups to Fortune 500 firms. With a team of over 1,000 experts, they have successfully completed 200+ projects, offering advanced technologies such as IoT, Blockchain, Cloud Computing...
Top Services:
- Software Development
- IoT
- Mobile App Development
- DevOps Consulting
- Cloud Consulting
- Show more
- Location
- Altadena, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
The 20 MSP delivers Managed IT Services that help businesses operate smarter, safer, and more efficiently across single and multi-location environments. We act as a true extension of your organization, providing proactive IT support, cybersecurity, cloud and Microsoft and Apple management, and strategic IT...
Top Services:
- Managed Services
- IT Services
- Cybersecurity
- Location
- Santa Cruz, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
Quantazone is a technology and AI solutions company helping businesses modernize operations, automate workflows, and build smarter digital systems. From ERP, CRM, HRMS, and cloud solutions to AI and marketing automation, Quantazone combines technology, strategy, and industry expertise to create scalable...
Top Services:
- ERP Consulting
- CRM Consulting
- AI Development
- Cloud Consulting
- Digital Marketing
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Product Design
- Software Testing
- Show more
- Location
- Burlingame, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
To operationalize AI and analytics through scalable, secure, and future-ready data platforms...
Top Services:
- Big Data Analytics
- IT Services
- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
dotLinkers is an international IT recruitment and staffing agency headquartered in Kraków, Poland, specializing in building R&D centers, tech hubs, and high-performing engineering teams for global companies. The firm focuses on IT recruitment, tech staffing, and flexible recruitment process outsourcing (RPO)...
Top Services:
- Staff Augmentation
- IT Services
- IT Compliance Solution
- Business Consulting
- Market Research
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Esclatech is a leading software development and digital transformation company specializing in Mobile App Development, Web App Development, SaaS Solutions, and AI Automation Services...
Top Services:
- Digital Services
- IT Services
- Mobile App Development
- Software Development
- CRM Consulting
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
CentraLink provides managed IT services in Pasadena, helping businesses improve performance, security, and reliability through proactive technology management. Services include 24/7 IT support, cybersecurity, cloud solutions, network support, helpdesk services, business continuity, and strategic IT...
Top Services:
- Managed Services
- Cybersecurity
- Cloud Consulting
- IT Services
- IT Compliance Solution
- Show more
- Location
- Pasadena, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
At SymSoft Solutions, we're experts in delivering exceptional user experiences through UX design, meeting accessibility standards, personalized data-driven solutions, and robust enterprise applications backed by in-depth business intelligence...
Top Services:
- UI/UX Design
- Web Design
- Web Development
- Cloud Consulting
- IT Services
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
Netwoven empowers Intelligent Enterprises by solving complex business challenges through the strategic use of Microsoft technologies. We help organizations modernize, optimize, and secure their digital workplace, business processes, and IT ecosystems...
Top Services:
- CRM Consulting
- ERP Consulting
- Big Data Analytics
- Managed Services
- Cloud Consulting
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $130/hr
- Minimal Budget
- $1,000 - $10,000
TST Technology is an IT consulting company that offers services such as UI/UX design, web and mobile app development, software development, and SaaS product development. They have completed over 40 projects across 15+ industries...
Top Services:
- Mobile App Development
- UI/UX Design
- Web Development
- Software Development
- IT Services
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
IT Services Companies in California by City
Related Services in California
IT Services Specializations in California
Popular Services
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Frequently Asked Questions
What services do IT services companies in California provide?
IT services companies in California provide technology solutions that help businesses run efficiently, stay secure, and scale operations. Their services typically include:
- Managed IT support
- Cloud services
- Cybersecurity
- IT consulting
- Software development
- Infrastructure setup
- Help desk support
How do IT services companies in California help businesses improve efficiency and security?
IT services companies in California improve efficiency and security by automating routine tasks, maintaining cloud infrastructure, and ensuring fast, reliable access to business tools. For security, they set up firewalls, encryption, and multi-factor authentication to block unauthorized access.
They also monitor networks 24/7, detect vulnerabilities early, and provide regular updates and backups to prevent downtime or data loss. This allows businesses to operate smoothly and focus on growth while staying protected from cyber risks.
How much do IT services cost in California?
IT services in California typically cost $80 to $200 per user per month, depending on service scope and company size.
- Basic packages cover help desk support, monitoring, and maintenance
- Mid-range plans include security management, cloud services, and data backups
- Higher-end packages add advanced cybersecurity, compliance support, and strategic IT consulting
Project-based work, like migrations or infrastructure upgrades, is usually billed separately at hourly rates.
What certifications should California IT support companies have?
California IT support companies should hold certifications that prove their technical skill and security standards. Common and respected ones include:
- CompTIA A+ or Network+
- Microsoft Certified Solutions Expert (MCSE)
- Cisco Certified Network Associate (CCNA)
- AWS or Google Cloud certifications
- Certified Information Systems Security Professional (CISSP)
- ITIL Certification
How do IT services companies in California ensure data protection and compliance with state and federal laws?
IT services companies in California ensure data protection and compliance by combining strict security measures with legal standards. They use encryption, firewalls, and access controls to secure sensitive information, along with regular backups and disaster recovery systems.
To meet regulations like CCPA, HIPAA, and GDPR, they conduct compliance audits, maintain data processing policies, and train staff on privacy rules. They also monitor systems for breaches, keep detailed logs for accountability, and update protocols as laws or threats evolve, ensuring businesses stay secure and compliant.
What kind of ongoing support do California IT support companies offer after implementation?
California IT support companies provide ongoing services to keep systems secure, up to date, and running smoothly after implementation. Support usually includes 24/7 monitoring, help desk assistance, and regular maintenance to prevent downtime.
They handle software updates, security patches, and system backups, and monitor networks for performance or security issues. Many also offer user training, hardware upgrades, and scalability planning so businesses can adapt as they grow.
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